【Anti-theft Window Knob】The window leaf lock is made of high-strength aluminum alloy material, with reasonable structure design, can effectively prevent the window from leverage, protect the safety of family property and staff. It can prevent unwanted intruders and prevent fall accidents to keep your home safe. 【T Type】 The window lock has a beautiful t shape, simple lines and shiny treatment. The of the child proof safety lock is smoothly manufactured, feels comfortable and shifts smoothly, very convenient and safe to use. And, the window latch is suitable for various room styles, elegant to use. 【Rust Proof & Durable】 The replacement window latches are constructed of premium metal materials, with high erosion resistance and wear proof performance, not easy to damage, long service life. This window opening control device has high hardness, wear resistance, anti-corrosion and anti-rust, more durable than plastic window leaf locks. 【Easy Installation】 Installation of window sash locks is very simple, no need to perform complex modification work, suitable for all types of windows. And, it makes this window lock more sturdy. Installing this type of lock on the windows of your house can effectively prevent thieves from entering your house, and makes you live more comfortably. 【100% Satisfaction Guaranteed】We promise every customer 100% shopping satisfaction, please contact us if you have any questions about your purchase. If the window parts and hardware don't make you satisfied let us know right away so we can send you a full refund of the purchase. If you have any questions, please contact our customer service., Manufacturer: fannay